update from main archive 970203

sysdeps/m68k/asm-syntax.h

@@ -0,0 +1,110 @@
+/* Definitions for 68k syntax variations.
+   Copyright (C) 1992, 1994, 1996, 1997 Free Software Foundation, Inc.
+
+   This file is part of the GNU C Library.  Its master source is NOT part of
+   the C library, however.  The master source lives in the GNU MP Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifdef HAVE_ELF
+
+/* ELF uses byte-counts for .align, most others use log2 of count of bytes.  */
+#define ALIGNARG(log2) 1<<log2
+/* For ELF we need the `.type' directive to make shared libs work right.  */
+#define PROLOG(name) .type name,@function
+#define EPILOG(name) .size name,.-name
+/* For ELF we need to prefix register names and local labels.  */
+#ifdef __STDC__
+#define R_(r) %##r
+#define R(r) R_(r)
+#define L(label) .##label
+#else
+#define R(r) %/**/r
+#define L(label) ./**/label
+#endif
+
+#else
+
+#define ALIGNARG(log2) log2
+#define PROLOG(name) /* Nothing.  */
+#define EPILOG(name) /* Nothing.  */
+#define R(r) r
+#define L(label) label
+
+#endif
+
+#ifdef MIT_SYNTAX
+#define MEM(base)R(base)@
+#define MEM_DISP(base,displacement)R(base)@(displacement)
+#define MEM_INDX(base,idx,size_suffix)R(base)@(R(idx):size_suffix)
+#define MEM_INDX1(base,idx,size_suffix,scale)R(base)@(R(idx):size_suffix:scale)
+#define MEM_PREDEC(memory_base)R(memory_base)@-
+#define MEM_POSTINC(memory_base)R(memory_base)@+
+#define TEXT .text
+#define ALIGN .even
+#define GLOBL .globl
+/* Use variable sized opcodes.  */
+#define bcc jcc
+#define bcs jcs
+#define bls jls
+#define beq jeq
+#define bne jne
+#define bra jra
+#endif
+
+#ifdef MOTOROLA_SYNTAX
+#define MEM(base)(R(base))
+#define MEM_DISP(base,displacement)(displacement,R(base))
+#define MEM_PREDEC(memory_base)-(R(memory_base))
+#define MEM_POSTINC(memory_base)(R(memory_base))+
+#ifdef __STDC__
+#define MEM_INDX_(base,idx,size_suffix)(R(base),R(idx##.##size_suffix))
+#define MEM_INDX(base,idx,size_suffix)MEM_INDX_(base,idx,size_suffix)
+#define MEM_INDX1_(base,idx,size_suffix,scale)(R(base),R(idx##.##size_suffix*scale))
+#define MEM_INDX1(base,idx,size_suffix,scale)MEM_INDX1_(base,idx,size_suffix,scale)
+#else
+#define MEM_INDX(base,idx,size_suffix)(R(base),R(idx).size_suffix)
+#define MEM_INDX1(base,idx,size_suffix,scale)(R(base),R(idx).size_suffix*scale)
+#endif
+#define TEXT .text
+#define ALIGN .align ALIGNARG(2)
+#define GLOBL .globl
+#define bcc jbcc
+#define bcs jbcs
+#define bls jbls
+#define beq jbeq
+#define bne jbne
+#define bra jbra
+#define movel move.l
+#define moveml movem.l
+#define moveql moveq.l
+#define cmpl cmp.l
+#define orl or.l
+#define clrl clr.l
+#define eorw eor.w
+#define lsrl lsr.l
+#define lsll lsl.l
+#define roxrl roxr.l
+#define roxll roxl.l
+#define addl add.l
+#define addxl addx.l
+#define addql addq.l
+#define subl sub.l
+#define subxl subx.l
+#define subql subq.l
+#define negl neg.l
+#define mulul mulu.l
+#endif